sewing-table: introduce a concat (nfc)

diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4
index c84f359d68dd04053420b34ff85904b9ce2203f9..83907c6f0d80f686655b682c11a6420c31e10e6c 100644 (file)
--- a/sewing-table.scad.m4
+++ b/sewing-table.scad.m4
@@ -84,7 +84,7 @@ m4_define(`INREFFRAME',`
 m4_dnl  INREFFRAME(left_post, right_post, morevars)
 m4_dnl    INREFFRAME_EDGE { body; }
 m4_define(`INREFFRAME_EDGE',`
-  translate([-thehd[0], -thehd[1], -round_edge_rad])
+  translate(concat(-thehd, [-round_edge_rad]))
 ')
 
 module RoundEdge(left_post, right_post) {